from the GNU version of the Collaborative International Dictionary of English
- n.pl. A division of Coleoptera having, apparently, only four tarsal joints, one joint being rudimentary.
from The Century Dictionary and Cyclopedia
- In entomology: In Latreille's system, a division of Coleoptera, containing those beetles all of whose tarsi are usually or apparently tetramerous or four-jointed. Also called Cryptopentamera and Pseudotetramera.
- A prime division of the hymenopterous family Chalcididæ, comprising six subfamilies in which the tarsi are four-jointed.
Sorry, no etymologies found.